AOpen 1557 User Manual page 27

Hotkeys
The computer uses hotkeys or key combinations to access controls such as screen
contrast and brightness, volume output and the BIOS setup utility.
Hotkey Function
Fn-F1 Hotkey
help
Fn-F2 Sleep
Fn-F3 Display
toggle
Fn-F4 Screen
blank
Fn-F5 Speaker
on/off
Fn-PgUp Home
Fn-PgDn End
Fn-→ Brightness
up
Fn- ←
Brightness
down
Icon Description
Displays a list of the hotkeys and their
functions.
Puts the computer in Sleep mode, which can be
defined via the advanced section of the Power
Management Properties in the Windows
Control Panel.
Switches display output between the display
screen, external monitor (if connected) and
both the display screen and external monitor.
Turns the display screen backlight off to save
power. Press any key to return.
Turns the speakers on and off; mutes the
sound.
Functions as the "Home" key.
Functions as the "End" key.
Increases the screen brightness.
Decreases the screen brightness.
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